Bettea via Amazon offers the Bettea Natural Purifying Charcoal Blackhead Remover Peel-Off Mask for $17.99. Coupon code 7KB7GESS cuts the price to $8.99. With free shipping for Prime members, that's $9 off list and the lowest price we could find. It claims to clear pores and smoothe the skin's texture. Deal ends May 31.

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